PIN# NAME FUNCTION NOTES 1 VEE Ground 2 Rx2- Inv. Rx Channel 2 Rx2± are the differential receiver outputs. The AC coupling is done inside the module and is thus not required on the host board. 3 Rx2+ Rx Channel 2 4 VEE Ground 5 SCL Serial Clock Must be pulled up to VCC (4.7k-10k) on the host board (open drain) 6 SDA Serial Data Must be pulled up to VCC (4.7k-10k) on the host board (open drain) 7 VEE Ground 8 NC Not Connected Floating, Internally Not Connected 9 NC Not Connected Floating, Internally Not Connected 10 NC Not Connected Floating, Internally Not Connected 11 VEE Ground 12 Rx1- Inv. Rx Channel 1 Rx1± are the differential receiver outputs. The AC coupling is done inside the module and is thus not required on the host board. 13 Rx1+ Rx Channel 1 14 VEE Ground 15 VCC +3.3V Supply Defined as 3.3V±5% at the SFP connector pin. Recommended host board power filtering is shown in figure section 6. 16 VCC +3.3V Supply 17 VEE Ground 18 NC Not Connected Floating, Internally Not Connected 19 NC Not Connected Floating, Internally Not Connected 20 NC Not Connected Floating, Internally Not Connected

PIN# non MSA MSA
1 VEE  
2 RX2-  
3 RX2+  
4 VEE  
5 SCL  
6 SDA  
7 VEE  
8 NC  
9 NC  
10 NC  
11 VEE  
12 RX1-  
13 RX1+  
14 VEE  
15 VCC  
16 VCC  
17 VEE  
18 NC  
19 NC  
20 NC